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netineya [11]
3 years ago
14

Can you guys pls halp? (it's a bit blurry sorry)

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
7 0
I hope this helps you (11-2x)-(5x+17)=9 (10-2x)+23 11-2x-5x-17=9.10-9.2x+23 -7x-6=90-18x+23 18x-7x=113+6 11x=119 x=119/11
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Which expression represents "the sum of 5 and b divided by two
DIA [1.3K]

Step-by-step explanation:

<u>Break down the word expression:</u>

The sum of 5 and b divided by two

the sum (+) of 5 and b (5 + b) divided by 2.

<u>Expression:</u>

\frac{(b + 5)}{2}

Parentheses represent that we need to add first, in order to divide the sum by 2.

5 0
3 years ago
Sara left a bin outside in her garden to collect rainwater. She notices that 1/8 gallon of water fills 2/3 of the bin. Write and
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The answer should be 2/3 divided by 1/8 gallons, plus 2/3
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How many diagonals can be drawn in the shape below?<br><br><br><br> 7<br> 8<br> 9<br> 10
vladimir2022 [97]
There are 9 diagonals.

Please see the attached picture for all the vertices that are drawn.  When you start drawing the diagonals, be cautious of the ones that you have already drawn.

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3 years ago
A bird flys 45 miles per hour. What is the speed in feet per second
liberstina [14]
It’s 12 feet per second
7 0
3 years ago
3 Sean has 8-inch pieces of toy train track and Ruth has 18-inch pieces of train track. How
Morgarella [4.7K]

Answer:

72

Step-by-step explanation:

The smallest number that is divisible by two given numbers is called the Least Common Multiple (LCM) of those numbers.

What's the smallest number that is a multiple of 8 and also a multiple of 18?

One way to find out is to start making lists of multiples:

Multiples of 8:  8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, and so on,

Multiples of 18:  18, 36, 54, 72, 90, 108, and so on.

This method can be a bit tedious, but in this case, it's clear that 72 is the LCM of 8 and 18.

Another method is to use the <u>prime factorization</u> of the two numbers.

Write 8 and 18 as the product of prime numbers; each number has a unique prime factorization.

8 = 2 x 2 x 2 = 2^3

18 = 2 x 3 x 3 = 2^1 x 3^2

To form the LCM, build a product of primes using the <u>highest exponent</u> in either of the two numbers.

LCM = 2^3 x 3^2 = 8 x 9 = 72.

7 0
3 years ago
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